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Q.If α,β\alpha, \beta are roots of x23x+1=0x^2 - 3x + 1 = 0, then the equation whose roots are α19\alpha^{19} and β19\beta^{19} has the sum of roots equal to

a
2cos19π112 \cos \frac{19\pi}{11}
b
2cos38π112 \cos \frac{38\pi}{11}
c
2cos19π222 \cos \frac{19\pi}{22}
d
2cos38π222 \cos \frac{38\pi}{22}

Correct Answer: Option C

The correct solution involves applying the fundamental concept to derive the final value step by step...

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